Keyboard



FIG. 1 is a front elevation view of a keyboard showing my design;

FIG. 2 is a rear elevation view of FIG. 1 ;

FIG. 3 is a left side elevation view of FIG. 1 ;

FIG. 4 is a right side elevation view of FIG. 1 ;

FIG. 5 is a top plan view of FIG. 1 ;

FIG. 6 is a bottom plan view of FIG. 1 ;

FIG. 7 is a first perspective view of FIG. 1 ; and,

FIG. 8 is a second perspective view of FIG. 1 .

In the drawings, the broken lines represent portions of the article which form no part of the claimed design. 

CLAIM The ornamental design for a keyboard, as shown and described. 